Blue Mosque, Istanbul

Sandy Northrop / For The Times

The Blue Mosque in Istanbul, Turkey. Istanbul is a cosmopolitan, welcoming Islamic city with a population of 14 million, no graffiti, spotlessly clean streets, and tourists and ancient sites everywhere.

The Blue Mosque in Istanbul, Turkey. Istanbul is a cosmopolitan, welcoming Islamic city with a population of 14 million, no graffiti, spotlessly clean streets, and tourists and ancient sites everywhere. (Sandy Northrop / For The Times)

The Blue Mosque in Istanbul, Turkey. Istanbul is a cosmopolitan, welcoming Islamic city with a population of 14 million, no graffiti, spotlessly clean streets, and tourists and ancient sites everywhere.